140521760 has 96 divisors (see below), whose sum is σ = 351558144. Its totient is φ = 52992000.

The previous prime is 140521757. The next prime is 140521769. The reversal of 140521760 is 67125041.

140521760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140521769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203015 + ... + 203705.

It is an arithmetic number, because the mean of its divisors is an integer number (3662064).

Almost surely, 2^140521760 is an apocalyptic number.

140521760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140521760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175779072).

140521760 is an abundant number, since it is smaller than the sum of its proper divisors (211036384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140521760 is a wasteful number, since it uses less digits than its factorization.

140521760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 140521760 is about 11854.1874457932. The cubic root of 140521760 is about 519.8936666206.

The spelling of 140521760 in words is "one hundred forty million, five hundred twenty-one thousand, seven hundred sixty".